Definition

Solitary rectal ulcer syndrome is a condition that occurs when a sore (ulcer) develops in the rectum. The rectum is a muscular tube that's connected to the end of your colon. Stool passes through the rectum on its way out of the body.

Solitary rectal ulcer syndrome is a rare and poorly understood disorder that occurs in people with chronic constipation. Solitary rectal ulcer syndrome can cause rectal bleeding and straining during bowel movements. Despite its name, sometimes more than one rectal ulcer occurs in solitary rectal ulcer syndrome.

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